Northside Health Library

Protuberance

Definition

A protuberance is a body part that protrudes (bulges) outward from a surface.

For example, the ankle is a protuberance of the leg. The ears protrude from the head.

Review Date:
2/17/2011
Reviewed By:
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.